Easy to operate thanks to one button per function and self explanatory displayeasy to set up in both the horizontal and vertical modes due to automatic self levelling of 8 5the shock warning function which can be switched on and off prevents levelling errors in the event of shocks and vibrationspoint line and rotation modes for optimum visibilityhigh accuracy of 01 mmmhigh level of robustness fully functional even after being dropped from a height of 1 mdust and splash protection i